[Libreoffice-bugs] [Bug 137571] New: Adding and modifying animations painfully slow

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137571

            Bug ID: 137571
           Summary: Adding and modifying animations painfully slow
           Product: LibreOffice
           Version: 7.0.2.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: eyalroz at technion.ac.il

Description:
Once a presentation becomes longer and with more existing animation, or
elements on slides, its takes longer and longer for the UI to respond to clicks
on adding animation effects and to changes to the settings (e.g. Start on Click
vs Start with Previous). This can get to extreme situations where a single such
action can take well over a minute or two (!) on 4 GHz quad-core machine with
16 GB of RAM.

Steps to Reproduce:
Create a large(ish) presentation with effects on many slides, and some slides
with dozens of elements (albeit grouped). Can't say at this point exactly what
it is that contributes to the sluggishness.


Actual Results:
Adding, modifying or removing an animation effect all become increasingly slow.

Expected Results:
Adding, modifying or removing an animation effect should be instantaneous.


Reproducible: Sometimes


User Profile Reset: No



Additional Info:
Automatic preview is disabled - I'm not running the animation.

Also, this happens even if you only have "appear" and "disappear".

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